SoftBank CEO says he's 'all in' on OpenAI, reveals he's long wanted Microsoft's spot as main backer

Masayoshi Son, chairman and chief executive officer of SoftBank Group Corp., speaks during the company's annual general meeting in Tokyo, Japan, on Friday, June 27, 2025.SoftBank is "all in" on OpenAI, CEO Masayoshi Son said on Friday, as the Japanese tech giant looks to realize its vision of "artificial superintelligence."This year, the Japanese multinational conglomerate has been increasing its investments in OpenAI and participating in joint ventures such as the $500 billion Stargate project. According t ...